Two cases of Marfan syndrome.
D000293:Adolescent; D001011:Aorta / Q000473:pathology; D001014:Aortic Aneurysm / Q000517:prevention & control; D001706:Biopsy; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000473:pathology* / Q000601:surgery; D008875:Middle Aged; D016896:Treatment Outcome